<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>p3_css常用值</title>
    <style>
        span {
            color: rgb(255, 255, 255);
            color: rgb(0, 255, 255);
            color: rgb(255, 0, 255);
            color: rgb(255, 255, 0);
            color: rgb(255, 0, 0);
            color: rgb(0, 255, 0);
            color: rgb(0, 0, 255);
            color: rgb(0, 0, 0);
            color: #0000ff;
            color: #00ff00;
            color: #ff0000;
            color: #000000;
            color: #ffffff;
            color: #00f;
            color: #0f0;
            color: #f00;
            color: #000;
            color: #fff;

            color: rgba(0, 0, 255, 50%);
        }

        .d1 {
            height: 50px;
            /*渐变色角度值（单位deg）、颜色、颜色...*/
            background-image: linear-gradient(60deg, red, cyan);
        }
        .d2{
            width: 500px;
            height: 500px;
            background-color: cornflowerblue;
            background-image: url(mr.png);
            background-size: 50px 100px;
            background-repeat: no-repeat;
            background-position: left ;
            border: 5px solid cadetblue

        }
    </style>
</head>
<body>
    <span>颜色测试</span>
    <div class="d1"></div>
    <div class="d2"></div>
</body>
</html>